Do you feel frustrated when your shower head holder broke? There is a way to get it off the pole and be able to save everything except this piece. Tecmolog shower bar slider holder is a great replacement for the broken unit. Questions and Answers Time Q1: What is the diameter of the hole in the slider? A1: This is 20mm. Q2: What size bar does it fit ie: bar diameter or bar circumference? A2: It is suitable for 20mm diameter or 62.8mm circumference shower bar. Q3: How to replace this shower head holder? A3: You need to remove the upper or lower base to be able to slide off the old shower bracket and slide the new part on, then reinstall the shower bar and base. Product Specification Material: Brass Finish: Chrome Hole Outside Diameter: 20mm Suitable Slide Bar: 20mm Diameter Tapered Opening: 21-23mm Suitable Shower Head: 20mm Height and Angle: Adjustable Package Includes 1 x Hand Shower Bracket It is a shower head holder only, not included the shower bar and shower head.